Body Systems

A substance an organism needs to live.

• nutrients

• food

• water

• vitamins

The body system that functions to get oxygen from the environment and remove waste products like carbon dioxide from your body is the______.

• circulatory system

• respiratory system

• skeletal system

• digestive system

The process that uses oxygen in chemical reactions to release energy is _______.

• cellular respiration

• digestion

• photosynthesis

Which cells are very numerous and pick up oxygen in the lungs to transport throughout the body?

• white blood cells

• red blood cells

In Cellular Respiration, what gas exchange occurs?

• Oxygen In/Carbon Dioxide Out

• Carbon Dioxide In/Oxygen Out

The process of breaking down food into usable materials.

• cellular respiration

• digestion

• photosynthesis

• breakdown

The structures in the body that work together to transform the energy and materials in food into forms the body can use.

• muscular system

• skeletal system

• digestive system

• circulatory system

The framework of bones that supports the body.

• muscular system

• skeletal system

• respiratory system

• digestive system

The tough, hard outer layer of a bone.

• spongy bone

• hard bone

• compact bone

• tough bone

Strong, lightweight tissue inside a bone.

• spongy bone

• tough bone

• strong bone

• compact bone